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Prosthodontics & Occlusion · single question

A clinical reline for an RPD is indicated in which scenario?

  1. Loss of vertical dimension of occlusion
  2. Rotation of distal extension around fulcrum
  3. Soreness on crest of alveolar ridge
  4. Loss of retention
Show answer and explanation

Correct answer: B. Rotation of distal extension around fulcrum

A reline adds new acrylic to the tissue surface of the denture base to improve adaptation after ridge resorption. In distal extension RPDs, ridge resorption causes rocking around the fulcrum line. A reline restores tissue contact and proper force distribution.

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